1.1.0

Add

• b93feef Add labelAttributes option
• c4835d8 Add labelTagName option

Fix

• b976b1c Fix to match GH for HTML generated for backreferences
  important: you might notice this, GH changed their HTML, see commit for more info
• 2a50ac0 Remove support for whitespace in labels
• 868f98c Fix types for TS 4.9

Misc

• f7ce15a Refactor code to match markdown-rs
• 8658f44 02a1d9b 04a294b Add improved docs
• 79b9469 16e3fcb Add improved JSDocs

Full Changelog: 1.0.4...1.1.0